Senior C# Software Engineer Jobs in London

Senior C# Software Engineer
England > London

The median Senior C# Software Engineer salary in London is £90,000 per year, according to job vacancies posted during the 6 months leading to 4 August 2025.

The table below provides salary benchmarking and summary statistics, comparing them to the same period in the previous two years.

6 months to
4 Aug 2025
Same period 2024 Same period 2023
Rank 408 457 513
Rank change year-on-year +49 +56 +359
Permanent jobs requiring a Senior C# Software Engineer 4 13 22
As % of all permanent jobs advertised in London 0.031% 0.065% 0.084%
As % of the Job Titles category 0.033% 0.068% 0.089%
Number of salaries quoted 1 13 16
10th Percentile - £80,000 £73,750
25th Percentile - £82,500 £76,250
Median annual salary (50th Percentile) £90,000 £111,000 £77,500
Median % change year-on-year -18.92% +43.23% -3.13%
75th Percentile - £150,000 £88,750
90th Percentile - £187,500 £113,125
England median annual salary £76,250 £65,000 £77,500
% change year-on-year +17.31% -16.13% +3.33%

All Permanent IT Job Vacancies
London

For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in London. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of permanent jobs in our overall sample.

Permanent vacancies in London with a recognized job title 11,945 19,069 24,848
% of permanent jobs with a recognized job title 92.08% 94.98% 95.06%
Number of salaries quoted 7,326 13,010 19,841
10th Percentile £39,000 £40,000 £41,250
25th Percentile £52,500 £51,250 £53,750
Median annual salary (50th Percentile) £72,500 £70,000 £72,500
Median % change year-on-year +3.57% -3.45% +3.57%
75th Percentile £97,500 £95,000 £95,000
90th Percentile £120,000 £118,750 £115,000
England median annual salary £55,000 £55,000 £60,000
% change year-on-year - -8.33% -

Senior C# Software Engineer
Job Vacancy Trend in London

Job postings that featured Senior C# Software Engineer in the job title as a proportion of all IT jobs advertised in London.

Job vacancy trend for Senior C# Software Engineer in London

Senior C# Software Engineer
Salary Trend in London

3-month moving average salary quoted in jobs citing Senior C# Software Engineer in London.

Salary trend for Senior C# Software Engineer in London

Senior C# Software Engineer Skill Set
Top 30 Co-occurring Skills and Capabilities in London

For the 6 months to 4 August 2025, Senior C# Software Engineer job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region featuring Senior C# Software Engineer in the job title.

1 4 (100.00%) C#
1 4 (100.00%) .NET
1 4 (100.00%) Software Engineering
1 4 (100.00%) DevOps
1 4 (100.00%) Cloud Native
1 4 (100.00%) CI/CD
2 3 (75.00%) Architectural Patterns
2 3 (75.00%) Azure DevOps
2 3 (75.00%) React
2 3 (75.00%) Microservices
2 3 (75.00%) Azure
2 3 (75.00%) ASP.NET MVC
2 3 (75.00%) Software Architecture
2 3 (75.00%) QuickFIX
2 3 (75.00%) REST
2 3 (75.00%) KnockoutJS
2 3 (75.00%) Software Testing
2 3 (75.00%) .NET Framework
2 3 (75.00%) FIX Protocol
2 3 (75.00%) WCF
2 3 (75.00%) jQuery
2 3 (75.00%) PowerShell
2 3 (75.00%) Back Office
2 3 (75.00%) MVC
2 3 (75.00%) Finance
2 3 (75.00%) Advertising
2 3 (75.00%) WinForms
2 3 (75.00%) ASP.NET
2 3 (75.00%) Web Services
2 3 (75.00%) Windows

Senior C# Software Engineer Skill Set
Co-occurring Skills and Capabilities in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Cloud Services
1 3 (75.00%) Azure
1 3 (75.00%) Azure DevOps
2 1 (25.00%) AWS
General
1 3 (75.00%) Advertising
1 3 (75.00%) Back Office
1 3 (75.00%) Finance
2 1 (25.00%) Inclusion and Diversity
Libraries, Frameworks & Software Standards
1 4 (100.00%) .NET
2 3 (75.00%) .NET Framework
2 3 (75.00%) ASP.NET
2 3 (75.00%) ASP.NET MVC
2 3 (75.00%) FIX Protocol
2 3 (75.00%) HTML
2 3 (75.00%) jQuery
2 3 (75.00%) KnockoutJS
2 3 (75.00%) QuickFIX
2 3 (75.00%) React
2 3 (75.00%) REST
2 3 (75.00%) WCF
2 3 (75.00%) Web Services
2 3 (75.00%) WinForms
Miscellaneous
1 4 (100.00%) Cloud Native
Operating Systems
1 3 (75.00%) Windows
Processes & Methodologies
1 4 (100.00%) CI/CD
1 4 (100.00%) DevOps
1 4 (100.00%) Software Engineering
2 3 (75.00%) Architectural Patterns
2 3 (75.00%) Microservices
2 3 (75.00%) MVC
2 3 (75.00%) OO
2 3 (75.00%) Software Architecture
2 3 (75.00%) Software Testing
3 1 (25.00%) Agile
3 1 (25.00%) API Design
3 1 (25.00%) Artificial Intelligence
3 1 (25.00%) Business Strategy
3 1 (25.00%) Containerisation
3 1 (25.00%) Domain-Driven Design
3 1 (25.00%) Generative AI
3 1 (25.00%) TDD
3 1 (25.00%) Technology Strategy
Programming Languages
1 4 (100.00%) C#
2 3 (75.00%) JavaScript
2 3 (75.00%) PowerShell
2 3 (75.00%) SQL
Vendors
1 3 (75.00%) Microsoft